M0-M3071, power-down save range can be set M0-M1023, the default M500-M1023

Step point

S0-1023, power-down save range can be set S0-S1023, the default S500-S9999

100Ms timer

T0-T199 Accumulated power-down saving T184-T199

10Ms timer

T200-T249 Accumulated power-down saving T246-T249

1Ms timer

T250-T383, where T250-255 is the cumulative type

16-bit counter

C0-C199, power-down save C100-C199

32-bit counter

C200-C219, save the power-down C220-C234

32-bit high-speed counter

C235-255; C235-C240 for the single-phase counter, not multiplier; C241-240 for the single-phase calculator, 2 octave; C2470249 for the dual-phase counter, not multiplier; C250-252 for dual-phase counter, ; C253-C255 for the dual-phase counter, 4 octave